# coordinates
float32 x

float32 y

float32 z

# direction on the x-y plane
float32 theta

# curvature on the x-y planning
float32 kappa

# accumulated distance from beginning of the path
float32 s

# derivative of kappa w.r.t s.
float32 dkappa

# derivative of derivative of kappa w.r.t s.
float32 ddkappa

# The lane ID where the path point is on
std_msgs/String lane_id

# derivative of x and y w.r.t parametric parameter t in CosThetareferenceline
float32 x_derivative

float32 y_derivative